USA TODAY Sports' Paul Myerberg gives his biggest surprises and takeaways from the top 25 ranked teams in the preseason Amway Coaches Poll. USA TODAY Sports
ANN ARBOR, Mich. -- They all came here to change Michigan.
Not all at once, mind you, and not all at the same time. But shortly after coach Jim Harbaugh walked toward a microphone in Ann Arbor on Dec. 30, 2014 and told the world that “you have my pledge that I will carry forward the excellence of the University of Michigan football program,” they began arriving, one after another.